1. Department of Civil and Environmental Engineering, Norwegian University of Science and Technology (NTNU), Trondheim NO-7491, Norway
2. Department of Mechanical Engineering, University of Sheffield, Sheffield S1 3JD, United Kingdom
3. Aerospace Engineering Department, TU Delft, Delft 2629 HS, The Netherlands
4. Department of Engineering, Durham University, Durham DH1 3LE, United Kingdom
5. Department of Mechanical and Manufacturing Engineering, University of Calgary, Calgary, Alberta T2N 1N4, Canada